[INFO] fetching crate gst-plugin-fallbackswitch 0.6.0...
[INFO] checking gst-plugin-fallbackswitch-0.6.0 against try#8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8 for pr-82565
[INFO] extracting crate gst-plugin-fallbackswitch 0.6.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate gst-plugin-fallbackswitch 0.6.0 on toolchain 8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate gst-plugin-fallbackswitch 0.6.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate gst-plugin-fallbackswitch 0.6.0
[INFO] tweaked toml for crates.io crate gst-plugin-fallbackswitch 0.6.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate gst-plugin-fallbackswitch 0.6.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] c56d3e77da5332ca23fb0371ed4fca3a0ffcdef6f6aee4d9ba8d9f60cd4095c5
[INFO] running `Command { std: "docker" "start" "-a" "c56d3e77da5332ca23fb0371ed4fca3a0ffcdef6f6aee4d9ba8d9f60cd4095c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c56d3e77da5332ca23fb0371ed4fca3a0ffcdef6f6aee4d9ba8d9f60cd4095c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c56d3e77da5332ca23fb0371ed4fca3a0ffcdef6f6aee4d9ba8d9f60cd4095c5", kill_on_drop: false }`
[INFO] [stdout] c56d3e77da5332ca23fb0371ed4fca3a0ffcdef6f6aee4d9ba8d9f60cd4095c5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0eee5c97c17973324f960e4ca6def5882f7b9ae3d2e7c53e61a2a82410ad36b4
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "0eee5c97c17973324f960e4ca6def5882f7b9ae3d2e7c53e61a2a82410ad36b4", kill_on_drop: false }`
[INFO] [stderr]    Compiling gstreamer v0.16.1
[INFO] [stderr]    Compiling gstreamer-base v0.16.0
[INFO] [stderr]    Compiling gstreamer-audio v0.16.0
[INFO] [stderr]    Compiling gstreamer-video v0.16.0
[INFO] [stderr]    Compiling gstreamer-check v0.16.0
[INFO] [stderr]     Checking array-init v0.1.1
[INFO] [stderr]    Compiling gstreamer-app v0.16.0
[INFO] [stderr]    Compiling gstreamer-sys v0.9.0
[INFO] [stderr]    Compiling gstreamer-base-sys v0.9.0
[INFO] [stderr]     Checking futures-executor v0.3.5
[INFO] [stderr]    Compiling gstreamer-video-sys v0.9.0
[INFO] [stderr]    Compiling gstreamer-audio-sys v0.9.0
[INFO] [stderr]    Compiling gstreamer-app-sys v0.9.0
[INFO] [stderr]    Compiling gstreamer-check-sys v0.9.0
[INFO] [stderr]    Compiling gst-plugin-fallbackswitch v0.6.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking gobject-sys v0.10.0
[INFO] [stderr]     Checking glib v0.10.1
[INFO] [stderr] error: failed to run custom build command for `gstreamer-video-sys v0.9.0`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/gstreamer-video-sys-e1af42a61e21e0c9/build-script-build` (exit code: 1)
[INFO] [stderr]   --- stderr
[INFO] [stderr]   `"pkg-config" "--libs" "--cflags" "gstreamer-video-1.0" "gstreamer-video-1.0 >= 1.14"` did not exit successfully: exit code: 1
[INFO] [stderr]   --- stderr
[INFO] [stderr]   Package gstreamer-video-1.0 was not found in the pkg-config search path.
[INFO] [stderr]   Perhaps you should add the directory containing `gstreamer-video-1.0.pc'
[INFO] [stderr]   to the PKG_CONFIG_PATH environment variable
[INFO] [stderr]   No package 'gstreamer-video-1.0' found
[INFO] [stderr]   Package gstreamer-video-1.0 was not found in the pkg-config search path.
[INFO] [stderr]   Perhaps you should add the directory containing `gstreamer-video-1.0.pc'
[INFO] [stderr]   to the PKG_CONFIG_PATH environment variable
[INFO] [stderr]   No package 'gstreamer-video-1.0' found
[INFO] [stderr] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "0eee5c97c17973324f960e4ca6def5882f7b9ae3d2e7c53e61a2a82410ad36b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0eee5c97c17973324f960e4ca6def5882f7b9ae3d2e7c53e61a2a82410ad36b4", kill_on_drop: false }`
[INFO] [stdout] 0eee5c97c17973324f960e4ca6def5882f7b9ae3d2e7c53e61a2a82410ad36b4